Home / 9,819.95-14,730.04-2,800.15

Finding the Fourth Proportional to 9,819.95, 14,730.04 and 2,800.15

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Solution

The fourth proportional to 9,819.95, 14,730.04 and 2,800.15 is: 4,200.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819.95 : 14,730.04 = 2,800.15 : x
  2. Step 2: Convert to fraction form
    9,819.95/14,730.04 = 2,800.15/x
  3. Step 3: Cross multiply
    9,819.95x = 14,730.04 × 2,800.15
  4. Step 4: Simplify right side
    9,819.95x = 41,246,321.51
  5. Step 5: Solve for x
    x = 41,246,321.51/9,819.95
  6. Step 6: Final answer
    x = 4,200.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.